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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 2007 UTC vs.
Revision 1.244 by root, Mon Apr 16 13:28:00 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Storable;
		9	use Event;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
12		13
13	use Coro 3.3 ();	14	use Coro 3.61 ();
		15	use Coro::State;
14	use Coro::Event;	16	use Coro::Event;
15	use Coro::Timer;	17	use Coro::Timer;
16	use Coro::Signal;	18	use Coro::Signal;
17	use Coro::Semaphore;	19	use Coro::Semaphore;
18	use Coro::AIO;	20	use Coro::AIO;
		21	use Coro::Storable;
19		22
		23	use BDB ();
		24	use Data::Dumper;
20	use Digest::MD5;	25	use Digest::MD5;
21	use Fcntl;	26	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	27	use YAML::Syck ();
		28	use IO::AIO 2.32 ();
24	use Time::HiRes;	29	use Time::HiRes;
		30	use Compress::LZF;
25		31
		32	# configure various modules to our taste
		33	#
		34	$Storable::canonical = 1; # reduce rsync transfers
		35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		37
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	38	$Event::Eval = 1; # no idea why this is required, but it is
27		39
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	41	$YAML::Syck::ImplicitUnicode = 1;
30		42
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		44
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		46
35	our %COMMAND = ();	47	our %COMMAND = ();
36	our %COMMAND_TIME = ();	48	our %COMMAND_TIME = ();
		49
		50	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	51	our %EXTCMD = ();
		52	our %EXT_CORO = (); # coroutines bound to extensions
		53	our %EXT_MAP = (); # pluggable maps
38		54
		55	our $RELOAD; # number of reloads so far
39	our @EVENT;	56	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	57	our $LIBDIR = datadir . "/ext";
41		58
42	our $TICK = MAX_TIME * 1e-6;	59	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	60	our $TICK_WATCHER;
		61	our $AIO_POLL_WATCHER;
		62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	63	our $NEXT_TICK;
45	our $NOW;	64	our $NOW;
		65	our $USE_FSYNC = 1; # use fsync to write maps - default off
		66
		67	our $BDB_POLL_WATCHER;
		68	our $DB_ENV;
46		69
47	our %CFG;	70	our %CFG;
48		71
49	our $UPTIME; $UPTIME ||= time;	72	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	73	our $RUNTIME;
51		74
		75	our %PLAYER; # all users
52	our %MAP; # all maps	76	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	77	our $LINK_MAP; # the special {link} map, which is always available
54	our $RANDOM_MAPS = cf::localdir . "/random";	78	our $RANDOM_MAPS = cf::localdir . "/random";
55	our %EXT_CORO;	79	our $BDB_ENV_DIR = cf::localdir . "/db";
		80
		81	# used to convert map paths into valid unix filenames by replacing / by ∕
		82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56		83
57	binmode STDOUT;	84	binmode STDOUT;
58	binmode STDERR;	85	binmode STDERR;
59		86
60	# read virtual server time, if available	87	# read virtual server time, if available
…		…
67	mkdir cf::localdir;	94	mkdir cf::localdir;
68	mkdir cf::localdir . "/" . cf::playerdir;	95	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;	96	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;	97	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;	98	mkdir $RANDOM_MAPS;
		99	mkdir $BDB_ENV_DIR;
72		100
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	101	our $EMERGENCY_POSITION;
		102
		103	sub cf::map::normalise;
76		104
77	#############################################################################	105	#############################################################################
78		106
79	=head2 GLOBAL VARIABLES	107	=head2 GLOBAL VARIABLES
80		108
…		…
104		132
105	=item %cf::CFG	133	=item %cf::CFG
106		134
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	135	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	from wherever your confdir points to.	136	from wherever your confdir points to.
		137
		138	=item cf::wait_for_tick, cf::wait_for_tick_begin
		139
		140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		141	returns directly I<after> the tick processing (and consequently, can only wake one process
		142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
109		143
110	=back	144	=back
111		145
112	=cut	146	=cut
113		147
…		…
117	utf8::encode $msg;	151	utf8::encode $msg;
118		152
119	$msg .= "\n"	153	$msg .= "\n"
120	unless $msg =~ /\n$/;	154	unless $msg =~ /\n$/;
121		155
122	LOG llevError, "cfperl: $msg";	156	LOG llevError, $msg;
123	};	157	};
124	}	158	}
125		159
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
145		179
146	$Event::DIED = sub {	180	$Event::DIED = sub {
147	warn "error in event callback: @_";	181	warn "error in event callback: @_";
148	};	182	};
149		183
150	my %ext_pkg;
151	my @exts;
152	my @hook;
153
154	=head2 UTILITY FUNCTIONS	184	=head2 UTILITY FUNCTIONS
155		185
156	=over 4	186	=over 4
157		187
158	=cut	188	=item dumpval $ref
159		189
		190	=cut
		191
		192	sub dumpval {
		193	eval {
		194	local $SIG{__DIE__};
		195	my $d;
		196	if (1) {
		197	$d = new Data::Dumper([$_[0]], ["*var"]);
		198	$d->Terse(1);
		199	$d->Indent(2);
		200	$d->Quotekeys(0);
		201	$d->Useqq(1);
		202	#$d->Bless(...);
		203	$d->Seen($_[1]) if @_ > 1;
		204	$d = $d->Dump();
		205	}
		206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		207	$d
		208	} || "[unable to dump $_[0]: '$@']";
		209	}
		210
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
161		212
162	=item $ref = cf::from_json $json	213	=item $ref = cf::from_json $json
163		214
164	Converts a JSON string into the corresponding perl data structure.	215	Converts a JSON string into the corresponding perl data structure.
165		216
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	217	=item $json = cf::to_json $ref
174		218
175	Converts a perl data structure into its JSON representation.	219	Converts a perl data structure into its JSON representation.
176		220
177	=cut
178
179	sub to_json($) {
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
181	JSON::Syck::Dump $_[0]
182	}
183
184	=item my $guard = cf::guard { BLOCK }
185
186	Run the given callback when the guard object gets destroyed (useful for
187	coroutine cancellations).
188
189	You can call C<< ->cancel >> on the guard object to stop the block from
190	being executed.
191
192	=cut
193
194	sub guard(&) {
195	bless \(my $cb = $_[0]), cf::guard::;
196	}
197
198	sub cf::guard::cancel {
199	${$_[0]} = sub { };
200	}
201
202	sub cf::guard::DESTROY {
203	${$_[0]}->();
204	}
205
206	=item cf::lock_wait $string	221	=item cf::lock_wait $string
207		222
208	Wait until the given lock is available. See cf::lock_acquire.	223	Wait until the given lock is available. See cf::lock_acquire.
209		224
210	=item my $lock = cf::lock_acquire $string	225	=item my $lock = cf::lock_acquire $string
211		226
212	Wait until the given lock is available and then acquires it and returns	227	Wait until the given lock is available and then acquires it and returns
213	a guard object. If the guard object gets destroyed (goes out of scope,	228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
214	for example when the coroutine gets canceled), the lock is automatically	229	for example when the coroutine gets canceled), the lock is automatically
215	returned.	230	returned.
216		231
217	Lock names should begin with a unique identifier (for example, cf::map::find	232	Lock names should begin with a unique identifier (for example, cf::map::find
218	uses map_find and cf::map::load uses map_load).	233	uses map_find and cf::map::load uses map_load).
…		…
237	# wait, to be sure we are not locked	252	# wait, to be sure we are not locked
238	lock_wait $key;	253	lock_wait $key;
239		254
240	$LOCK{$key} = [];	255	$LOCK{$key} = [];
241		256
242	cf::guard {	257	Coro::guard {
243	# wake up all waiters, to be on the safe side	258	# wake up all waiters, to be on the safe side
244	$_->ready for @{ delete $LOCK{$key} };	259	$_->ready for @{ delete $LOCK{$key} };
245	}	260	}
246	}	261	}
247		262
248	=item cf::async { BLOCK }
249
250	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251	error instead of exiting the server in case of a problem.
252
253	=cut
254
255	sub async(&) {
256	my ($cb) = @_;
257
258	Coro::async {
259	eval { $cb->() };
260	warn $@ if $@;
261	}
262	}
263
264	sub freeze_mainloop {	263	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	264	return unless $TICK_WATCHER->is_active;
266		265
267	my $guard = guard { $TICK_WATCHER->start };	266	my $guard = Coro::guard {
		267	$TICK_WATCHER->start;
		268	};
268	$TICK_WATCHER->stop;	269	$TICK_WATCHER->stop;
269	$guard	270	$guard
270	}	271	}
		272
		273	=item cf::async { BLOCK }
		274
		275	Currently the same as Coro::async_pool, meaning you cannot use
		276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		277	thing you are allowed to do is call C<prio> on it.
		278
		279	=cut
		280
		281	BEGIN { *async = \&Coro::async_pool }
271		282
272	=item cf::sync_job { BLOCK }	283	=item cf::sync_job { BLOCK }
273		284
274	The design of crossfire+ requires that the main coro ($Coro::main) is	285	The design of crossfire+ requires that the main coro ($Coro::main) is
275	always able to handle events or runnable, as crossfire+ is only partly	286	always able to handle events or runnable, as crossfire+ is only partly
…		…
294	my $freeze_guard = freeze_mainloop;	305	my $freeze_guard = freeze_mainloop;
295		306
296	my $busy = 1;	307	my $busy = 1;
297	my @res;	308	my @res;
298		309
299	(Coro::async {	310	(async {
300	@res = eval { $job->() };	311	@res = eval { $job->() };
301	warn $@ if $@;	312	warn $@ if $@;
302	undef $busy;	313	undef $busy;
303	})->prio (Coro::PRIO_MAX);	314	})->prio (Coro::PRIO_MAX);
304		315
305	while ($busy) {	316	while ($busy) {
306	Coro::cede_notself;	317	Coro::cede or Event::one_event;
307	Event::one_event unless Coro::nready;
308	}	318	}
309		319
310	wantarray ? @res : $res[0]	320	wantarray ? @res : $res[0]
311	} else {	321	} else {
312	# we are in another coroutine, how wonderful, everything just works	322	# we are in another coroutine, how wonderful, everything just works
313		323
314	$job->()	324	$job->()
315	}	325	}
316	}	326	}
317		327
318	=item $coro = cf::coro { BLOCK }	328	=item $coro = cf::async_ext { BLOCK }
319		329
320	Creates and returns a new coro. This coro is automcatially being canceled	330	Like async, but this coro is automatically being canceled when the
321	when the extension calling this is being unloaded.	331	extension calling this is being unloaded.
322		332
323	=cut	333	=cut
324		334
325	sub coro(&) {	335	sub async_ext(&) {
326	my $cb = shift;	336	my $cb = shift;
327		337
328	my $coro = &cf::async ($cb);	338	my $coro = &Coro::async ($cb);
329		339
330	$coro->on_destroy (sub {	340	$coro->on_destroy (sub {
331	delete $EXT_CORO{$coro+0};	341	delete $EXT_CORO{$coro+0};
332	});	342	});
333	$EXT_CORO{$coro+0} = $coro;	343	$EXT_CORO{$coro+0} = $coro;
334		344
335	$coro	345	$coro
336	}	346	}
337		347
338	sub write_runtime {	348	sub write_runtime {
		349	my $guard = cf::lock_acquire "write_runtime";
		350
339	my $runtime = cf::localdir . "/runtime";	351	my $runtime = cf::localdir . "/runtime";
340		352
341	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
342	or return;	354	or return;
343		355
		356	my $value = $cf::RUNTIME + 90 + 10;
344	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	357	# 10 is the runtime save interval, for a monotonic clock
		358	# 60 allows for the watchdog to kill the server.
		359
345	(aio_write $fh, 0, (length $value), $value, 0) <= 0	360	(aio_write $fh, 0, (length $value), $value, 0) <= 0
346	and return;	361	and return;
347		362
		363	# always fsync - this file is important
348	aio_fsync $fh	364	aio_fsync $fh
349	and return;	365	and return;
350		366
351	close $fh	367	close $fh
352	or return;	368	or return;
…		…
355	and return;	371	and return;
356		372
357	1	373	1
358	}	374	}
359		375
		376	=item cf::datalog type => key => value, ...
		377
		378	Log a datalog packet of the given type with the given key-value pairs.
		379
		380	=cut
		381
		382	sub datalog($@) {
		383	my ($type, %kv) = @_;
		384	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
		385	}
		386
360	=back	387	=back
361		388
362	=cut	389	=cut
363
364	#############################################################################
365
366	package cf::path;
367
368	sub new {
369	my ($class, $path, $base) = @_;
370
371	$path = $path->as_string if ref $path;
372
373	my $self = bless { }, $class;
374
375	# {... are special paths that are not touched
376	# ?xxx/... are special absolute paths
377	# ?random/... random maps
378	# /! non-realised random map exit
379	# /... normal maps
380	# ~/... per-player maps without a specific player (DO NOT USE)
381	# ~user/... per-player map of a specific user
382
383	if ($path =~ /^{/) {
384	# fine as it is
385	} elsif ($path =~ s{^\?random/}{}) {
386	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
387	$self->{random} = cf::from_json $data;
388	} else {
389	if ($path =~ s{^~([^/]+)?}{}) {
390	$self->{user_rel} = 1;
391
392	if (defined $1) {
393	$self->{user} = $1;
394	} elsif ($base =~ m{^~([^/]+)/}) {
395	$self->{user} = $1;
396	} else {
397	warn "cannot resolve user-relative path without user <$path,$base>\n";
398	}
399	} elsif ($path =~ /^\//) {
400	# already absolute
401	} else {
402	$base =~ s{[^/]+/?$}{};
403	return $class->new ("$base/$path");
404	}
405
406	for ($path) {
407	redo if s{/\.?/}{/};
408	redo if s{/[^/]+/\.\./}{/};
409	}
410	}
411
412	$self->{path} = $path;
413
414	$self
415	}
416
417	# the name / primary key / in-game path
418	sub as_string {
419	my ($self) = @_;
420
421	$self->{user_rel} ? "~$self->{user}$self->{path}"
422	: $self->{random} ? "?random/$self->{path}"
423	: $self->{path}
424	}
425
426	# the displayed name, this is a one way mapping
427	sub visible_name {
428	my ($self) = @_;
429
430	# if (my $rmp = $self->{random}) {
431	# # todo: be more intelligent about this
432	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
433	# } else {
434	$self->as_string
435	# }
436	}
437
438	# escape the /'s in the path
439	sub _escaped_path {
440	# ∕ is U+2215
441	(my $path = $_[0]{path}) =~ s/\//∕/g;
442	$path
443	}
444
445	# the original (read-only) location
446	sub load_path {
447	my ($self) = @_;
448
449	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
450	}
451
452	# the temporary/swap location
453	sub save_path {
454	my ($self) = @_;
455
456	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
457	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
458	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
459	}
460
461	# the unique path, might be eq to save_path
462	sub uniq_path {
463	my ($self) = @_;
464
465	$self->{user_rel} || $self->{random}
466	? undef
467	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
468	}
469
470	# return random map parameters, or undef
471	sub random_map_params {
472	my ($self) = @_;
473
474	$self->{random}
475	}
476
477	# this is somewhat ugly, but style maps do need special treatment
478	sub is_style_map {
479	$_[0]{path} =~ m{^/styles/}
480	}
481
482	package cf;
483		390
484	#############################################################################	391	#############################################################################
485		392
486	=head2 ATTACHABLE OBJECTS	393	=head2 ATTACHABLE OBJECTS
487		394
…		…
613	our @CB_TYPE = (); # registry for type (cf-object class) based events	520	our @CB_TYPE = (); # registry for type (cf-object class) based events
614	our @CB_MAP = ();	521	our @CB_MAP = ();
615		522
616	my %attachment;	523	my %attachment;
617		524
		525	sub cf::attachable::thawer_merge {
		526	# simply override everything except _meta
		527	local $_[0]{_meta};
		528	%{$_[0]} = %{$_[1]};
		529	}
		530
618	sub _attach_cb($$$$) {	531	sub _attach_cb($$$$) {
619	my ($registry, $event, $prio, $cb) = @_;	532	my ($registry, $event, $prio, $cb) = @_;
620		533
621	use sort 'stable';	534	use sort 'stable';
622		535
…		…
793	# object support	706	# object support
794		707
795	sub reattach {	708	sub reattach {
796	# basically do the same as instantiate, without calling instantiate	709	# basically do the same as instantiate, without calling instantiate
797	my ($obj) = @_;	710	my ($obj) = @_;
		711
		712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
798		713
799	my $registry = $obj->registry;	714	my $registry = $obj->registry;
800		715
801	@$registry = ();	716	@$registry = ();
802		717
…		…
849	$filename, length $$rdata, scalar @$objs;	764	$filename, length $$rdata, scalar @$objs;
850		765
851	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
852	chmod SAVE_MODE, $fh;	767	chmod SAVE_MODE, $fh;
853	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
854	aio_fsync $fh;	769	aio_fsync $fh if $cf::USE_FSYNC;
855	close $fh;	770	close $fh;
856		771
857	if (@$objs) {	772	if (@$objs) {
858	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
859	chmod SAVE_MODE, $fh;	774	chmod SAVE_MODE, $fh;
860	my $data = Storable::nfreeze { version => 1, objs => $objs };	775	my $data = Storable::nfreeze { version => 1, objs => $objs };
861	aio_write $fh, 0, (length $data), $data, 0;	776	aio_write $fh, 0, (length $data), $data, 0;
862	aio_fsync $fh;	777	aio_fsync $fh if $cf::USE_FSYNC;
863	close $fh;	778	close $fh;
864	aio_rename "$filename.pst~", "$filename.pst";	779	aio_rename "$filename.pst~", "$filename.pst";
865	}	780	}
866	} else {	781	} else {
867	aio_unlink "$filename.pst";	782	aio_unlink "$filename.pst";
…		…
934	=cut	849	=cut
935		850
936	sub register_extcmd {	851	sub register_extcmd {
937	my ($name, $cb) = @_;	852	my ($name, $cb) = @_;
938		853
939	my $caller = caller;
940	#warn "registering extcmd '$name' to '$caller'";
941
942	$EXTCMD{$name} = [$cb, $caller];	854	$EXTCMD{$name} = $cb;
943	}	855	}
944		856
945	cf::player->attach (	857	cf::player->attach (
946	on_command => sub {	858	on_command => sub {
947	my ($pl, $name, $params) = @_;	859	my ($pl, $name, $params) = @_;
…		…
960		872
961	my $msg = eval { from_json $buf };	873	my $msg = eval { from_json $buf };
962		874
963	if (ref $msg) {	875	if (ref $msg) {
964	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
965	if (my %reply = $cb->[0]->($pl, $msg)) {	877	if (my %reply = $cb->($pl, $msg)) {
966	$pl->ext_reply ($msg->{msgid}, %reply);	878	$pl->ext_reply ($msg->{msgid}, %reply);
967	}	879	}
968	}	880	}
969	} else {	881	} else {
970	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
972		884
973	cf::override;	885	cf::override;
974	},	886	},
975	);	887	);
976		888
977	sub register {
978	my ($base, $pkg) = @_;
979
980	#TODO
981	}
982
983	sub load_extension {	889	sub load_extension {
984	my ($path) = @_;	890	my ($path) = @_;
985		891
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;	893	my $base = $1;
988	my $pkg = $1;	894	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;	895	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";	896	$pkg = "ext::$pkg";
991		897
992	warn "loading '$path' into '$pkg'\n";	898	warn "... loading '$path' into '$pkg'\n";
993		899
994	open my $fh, "<:utf8", $path	900	open my $fh, "<:utf8", $path
995	or die "$path: $!";	901	or die "$path: $!";
996		902
997	my $source =	903	my $source =
998	"package $pkg; use strict; use utf8;\n"	904	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"	905	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })	906	. (do { local $/; <$fh> })
1001	. "\n};\n1";	907	. "\n};\n1";
1002		908
1003	eval $source	909	unless (eval $source) {
1004	or die $@ ? "$path: $@\n"	910	my $msg = $@ ? "$path: $@\n"
1005	: "extension disabled.\n";	911	: "extension disabled.\n";
1006		912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1007	push @exts, $pkg;	913	warn $@;
1008	$ext_pkg{$base} = $pkg;	914	warn "mandatory extension failed to load, exiting.\n";
1009		915	exit 1;
1010	# no strict 'refs';	916	}
1011	# @{"$pkg\::ISA"} = ext::;	917	die $@;
1012
1013	register $base, $pkg;
1014	}
1015
1016	sub unload_extension {
1017	my ($pkg) = @_;
1018
1019	warn "removing extension $pkg\n";
1020
1021	# remove hooks
1022	#TODO
1023	# for my $idx (0 .. $#PLUGIN_EVENT) {
1024	# delete $hook[$idx]{$pkg};
1025	# }	918	}
1026		919
1027	# remove commands	920	push @EXTS, $pkg;
1028	for my $name (keys %COMMAND) {
1029	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1030
1031	if (@cb) {
1032	$COMMAND{$name} = \@cb;
1033	} else {
1034	delete $COMMAND{$name};
1035	}
1036	}
1037
1038	# remove extcmds
1039	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1040	delete $EXTCMD{$name};
1041	}
1042
1043	if (my $cb = $pkg->can ("unload")) {
1044	eval {
1045	$cb->($pkg);
1046	1
1047	} or warn "$pkg unloaded, but with errors: $@";
1048	}
1049
1050	Symbol::delete_package $pkg;
1051	}	921	}
1052		922
1053	sub load_extensions {	923	sub load_extensions {
1054	for my $ext (<$LIBDIR/*.ext>) {	924	for my $ext (<$LIBDIR/*.ext>) {
1055	next unless -r $ext;	925	next unless -r $ext;
…		…
1059	} or warn "$ext not loaded: $@";	929	} or warn "$ext not loaded: $@";
1060	}	930	}
1061	}	931	}
1062		932
1063	#############################################################################	933	#############################################################################
1064	# load/save/clean perl data associated with a map
1065
1066	*cf::mapsupport::on_clean = sub {
1067	my ($map) = @_;
1068
1069	my $path = $map->tmpname;
1070	defined $path or return;
1071
1072	unlink "$path.pst";
1073	};
1074
1075	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1076
1077	#############################################################################
1078	# load/save perl data associated with player->ob objects
1079
1080	sub all_objects(@) {
1081	@_, map all_objects ($_->inv), @_
1082	}
1083
1084	# TODO: compatibility cruft, remove when no longer needed
1085	cf::player->attach (
1086	on_load => sub {
1087	my ($pl, $path) = @_;
1088
1089	for my $o (all_objects $pl->ob) {
1090	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1091	$o->set_ob_key_value ("_perl_data");
1092
1093	%$o = %{ Storable::thaw pack "H*", $value };
1094	}
1095	}
1096	},
1097	);
1098
1099	#############################################################################
1100		934
1101	=head2 CORE EXTENSIONS	935	=head2 CORE EXTENSIONS
1102		936
1103	Functions and methods that extend core crossfire objects.	937	Functions and methods that extend core crossfire objects.
1104		938
		939	=cut
		940
		941	package cf::player;
		942
		943	use Coro::AIO;
		944
1105	=head3 cf::player	945	=head3 cf::player
1106		946
1107	=over 4	947	=over 4
1108		948
1109	=item cf::player::exists $login	949	=item cf::player::find $login
1110		950
1111	Returns true when the given account exists.	951	Returns the given player object, loading it if necessary (might block).
1112		952
1113	=cut	953	=cut
1114		954
1115	sub cf::player::exists($) {	955	sub playerdir($) {
1116	cf::player::find $_[0]	956	cf::localdir
1117	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	957	. "/"
		958	. cf::playerdir
		959	. "/"
		960	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1118	}	961	}
1119		962
		963	sub path($) {
		964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		965
		966	(playerdir $login) . "/playerdata"
		967	}
		968
		969	sub find_active($) {
		970	$cf::PLAYER{$_[0]}
		971	and $cf::PLAYER{$_[0]}->active
		972	and $cf::PLAYER{$_[0]}
		973	}
		974
		975	sub exists($) {
		976	my ($login) = @_;
		977
		978	$cf::PLAYER{$login}
		979	or cf::sync_job { !aio_stat path $login }
		980	}
		981
		982	sub find($) {
		983	return $cf::PLAYER{$_[0]} || do {
		984	my $login = $_[0];
		985
		986	my $guard = cf::lock_acquire "user_find:$login";
		987
		988	$cf::PLAYER{$_[0]} || do {
		989	# rename old playerfiles to new ones
		990	#TODO: remove when no longer required
		991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		993	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		994	aio_unlink +(playerdir $login) . "/$login.pl";
		995
		996	my $pl = load_pl path $login
		997	or return;
		998	$cf::PLAYER{$login} = $pl
		999	}
		1000	}
		1001	}
		1002
		1003	sub save($) {
		1004	my ($pl) = @_;
		1005
		1006	return if $pl->{deny_save};
		1007
		1008	my $path = path $pl;
		1009	my $guard = cf::lock_acquire "user_save:$path";
		1010
		1011	return if $pl->{deny_save};
		1012
		1013	aio_mkdir playerdir $pl, 0770;
		1014	$pl->{last_save} = $cf::RUNTIME;
		1015
		1016	$pl->save_pl ($path);
		1017	Coro::cede;
		1018	}
		1019
		1020	sub new($) {
		1021	my ($login) = @_;
		1022
		1023	my $self = create;
		1024
		1025	$self->ob->name ($login);
		1026	$self->{deny_save} = 1;
		1027
		1028	$cf::PLAYER{$login} = $self;
		1029
		1030	$self
		1031	}
		1032
		1033	=item $pl->quit_character
		1034
		1035	Nukes the player without looking back. If logged in, the connection will
		1036	be destroyed. May block for a long time.
		1037
		1038	=cut
		1039
		1040	sub quit_character {
		1041	my ($pl) = @_;
		1042
		1043	my $name = $pl->ob->name;
		1044
		1045	$pl->{deny_save} = 1;
		1046	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1047
		1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1049	$pl->deactivate;
		1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1051	$pl->ns->destroy if $pl->ns;
		1052
		1053	my $path = playerdir $pl;
		1054	my $temp = "$path~$cf::RUNTIME~deleting~";
		1055	aio_rename $path, $temp;
		1056	delete $cf::PLAYER{$pl->ob->name};
		1057	$pl->destroy;
		1058
		1059	my $prefix = qr<^~\Q$name\E/>;
		1060
		1061	# nuke player maps
		1062	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1063
		1064	IO::AIO::aio_rmtree $temp;
		1065	}
		1066
		1067	=item $pl->kick
		1068
		1069	Kicks a player out of the game. This destroys the connection.
		1070
		1071	=cut
		1072
		1073	sub kick {
		1074	my ($pl, $kicker) = @_;
		1075
		1076	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1077	$pl->killer ("kicked");
		1078	$pl->ns->destroy;
		1079	}
		1080
		1081	=item cf::player::list_logins
		1082
		1083	Returns am arrayref of all valid playernames in the system, can take a
		1084	while and may block, so not sync_job-capable, ever.
		1085
		1086	=cut
		1087
		1088	sub list_logins {
		1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1090	or return [];
		1091
		1092	my @logins;
		1093
		1094	for my $login (@$dirs) {
		1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1096	aio_read $fh, 0, 512, my $buf, 0 or next;
		1097	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1098
		1099	utf8::decode $login;
		1100	push @logins, $login;
		1101	}
		1102
		1103	\@logins
		1104	}
		1105
		1106	=item $player->maps
		1107
		1108	Returns an arrayref of map paths that are private for this
		1109	player. May block.
		1110
		1111	=cut
		1112
		1113	sub maps($) {
		1114	my ($pl) = @_;
		1115
		1116	$pl = ref $pl ? $pl->ob->name : $pl;
		1117
		1118	my $files = aio_readdir playerdir $pl
		1119	or return;
		1120
		1121	my @paths;
		1122
		1123	for (@$files) {
		1124	utf8::decode $_;
		1125	next if /\.(?:pl|pst)$/;
		1126	next unless /^$PATH_SEP/o;
		1127
		1128	push @paths, cf::map::normalise "~$pl/$_";
		1129	}
		1130
		1131	\@paths
		1132	}
		1133
1120	=item $player->ext_reply ($msgid, $msgtype, %msg)	1134	=item $player->ext_reply ($msgid, %msg)
1121		1135
1122	Sends an ext reply to the player.	1136	Sends an ext reply to the player.
1123		1137
1124	=cut	1138	=cut
1125		1139
1126	sub cf::player::ext_reply($$$%) {	1140	sub ext_reply($$%) {
1127	my ($self, $id, %msg) = @_;	1141	my ($self, $id, %msg) = @_;
1128		1142
1129	$msg{msgid} = $id;	1143	$msg{msgid} = $id;
1130		1144
1131	$self->send ("ext " . to_json \%msg);	1145	$self->send ("ext " . cf::to_json \%msg);
		1146	}
		1147
		1148	=item $player->ext_event ($type, %msg)
		1149
		1150	Sends an ext event to the client.
		1151
		1152	=cut
		1153
		1154	sub ext_event($$%) {
		1155	my ($self, $type, %msg) = @_;
		1156
		1157	$self->ns->ext_event ($type, %msg);
		1158	}
		1159
		1160	=head3 cf::region
		1161
		1162	=over 4
		1163
		1164	=cut
		1165
		1166	package cf::region;
		1167
		1168	=item cf::region::find_by_path $path
		1169
		1170	Tries to decuce the probable region for a map knowing only its path.
		1171
		1172	=cut
		1173
		1174	sub find_by_path($) {
		1175	my ($path) = @_;
		1176
		1177	my ($match, $specificity);
		1178
		1179	for my $region (list) {
		1180	if ($region->match && $path =~ $region->match) {
		1181	($match, $specificity) = ($region, $region->specificity)
		1182	if $region->specificity > $specificity;
		1183	}
		1184	}
		1185
		1186	$match
1132	}	1187	}
1133		1188
1134	=back	1189	=back
1135
1136		1190
1137	=head3 cf::map	1191	=head3 cf::map
1138		1192
1139	=over 4	1193	=over 4
1140		1194
…		…
1143	package cf::map;	1197	package cf::map;
1144		1198
1145	use Fcntl;	1199	use Fcntl;
1146	use Coro::AIO;	1200	use Coro::AIO;
1147		1201
		1202	use overload
		1203	'""' => \&as_string,
		1204	fallback => 1;
		1205
1148	our $MAX_RESET = 3600;	1206	our $MAX_RESET = 3600;
1149	our $DEFAULT_RESET = 3000;	1207	our $DEFAULT_RESET = 3000;
1150		1208
1151	sub generate_random_map {	1209	sub generate_random_map {
1152	my ($path, $rmp) = @_;	1210	my ($self, $rmp) = @_;
1153
1154	# mit "rum" bekleckern, nicht	1211	# mit "rum" bekleckern, nicht
1155	cf::map::_create_random_map	1212	$self->_create_random_map (
1156	$path,
1157	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1158	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1159	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1160	$rmp->{exit_on_final_map},	1216	$rmp->{exit_on_final_map},
1161	$rmp->{xsize}, $rmp->{ysize},	1217	$rmp->{xsize}, $rmp->{ysize},
1162	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1218	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1163	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1219	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1164	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1220	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1165	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1221	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1166	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1222	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1167	(cf::region::find $rmp->{region})	1223	(cf::region::find $rmp->{region}), $rmp->{custom}
		1224	)
		1225	}
		1226
		1227	=item cf::map->register ($regex, $prio)
		1228
		1229	Register a handler for the map path matching the given regex at the
		1230	givne priority (higher is better, built-in handlers have priority 0, the
		1231	default).
		1232
		1233	=cut
		1234
		1235	sub register {
		1236	my (undef, $regex, $prio) = @_;
		1237	my $pkg = caller;
		1238
		1239	no strict;
		1240	push @{"$pkg\::ISA"}, __PACKAGE__;
		1241
		1242	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1243	}
		1244
		1245	# also paths starting with '/'
		1246	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1247
		1248	sub thawer_merge {
		1249	my ($self, $merge) = @_;
		1250
		1251	# we have to keep some variables in memory intact
		1252	local $self->{path};
		1253	local $self->{load_path};
		1254	local $self->{deny_save};
		1255	local $self->{deny_reset};
		1256
		1257	$self->SUPER::thawer_merge ($merge);
		1258	}
		1259
		1260	sub normalise {
		1261	my ($path, $base) = @_;
		1262
		1263	$path = "$path"; # make sure its a string
		1264
		1265	$path =~ s/\.map$//;
		1266
		1267	# map plan:
		1268	#
		1269	# /! non-realised random map exit (special hack!)
		1270	# {... are special paths that are not being touched
		1271	# ?xxx/... are special absolute paths
		1272	# ?random/... random maps
		1273	# /... normal maps
		1274	# ~user/... per-player map of a specific user
		1275
		1276	$path =~ s/$PATH_SEP/\//go;
		1277
		1278	# treat it as relative path if it starts with
		1279	# something that looks reasonable
		1280	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1281	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1282
		1283	$base =~ s{[^/]+/?$}{};
		1284	$path = "$base/$path";
		1285	}
		1286
		1287	for ($path) {
		1288	redo if s{//}{/};
		1289	redo if s{/\.?/}{/};
		1290	redo if s{/[^/]+/\.\./}{/};
		1291	}
		1292
		1293	$path
		1294	}
		1295
		1296	sub new_from_path {
		1297	my (undef, $path, $base) = @_;
		1298
		1299	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1300
		1301	$path = normalise $path, $base;
		1302
		1303	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1304	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1305	my $self = bless cf::map::new, $pkg;
		1306	$self->{path} = $path; $self->path ($path);
		1307	$self->init; # pass $1 etc.
		1308	return $self;
		1309	}
		1310	}
		1311
		1312	Carp::carp "unable to resolve path '$path' (base '$base').";
		1313	()
		1314	}
		1315
		1316	sub init {
		1317	my ($self) = @_;
		1318
		1319	$self
		1320	}
		1321
		1322	sub as_string {
		1323	my ($self) = @_;
		1324
		1325	"$self->{path}"
		1326	}
		1327
		1328	# the displayed name, this is a one way mapping
		1329	sub visible_name {
		1330	&as_string
		1331	}
		1332
		1333	# the original (read-only) location
		1334	sub load_path {
		1335	my ($self) = @_;
		1336
		1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1338	}
		1339
		1340	# the temporary/swap location
		1341	sub save_path {
		1342	my ($self) = @_;
		1343
		1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1346	}
		1347
		1348	# the unique path, undef == no special unique path
		1349	sub uniq_path {
		1350	my ($self) = @_;
		1351
		1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1168	}	1354	}
1169		1355
1170	# and all this just because we cannot iterate over	1356	# and all this just because we cannot iterate over
1171	# all maps in C++...	1357	# all maps in C++...
1172	sub change_all_map_light {	1358	sub change_all_map_light {
…		…
1174		1360
1175	$_->change_map_light ($change)	1361	$_->change_map_light ($change)
1176	for grep $_->outdoor, values %cf::MAP;	1362	for grep $_->outdoor, values %cf::MAP;
1177	}	1363	}
1178		1364
		1365	sub unlink_save {
		1366	my ($self) = @_;
		1367
		1368	utf8::encode (my $save = $self->save_path);
		1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1370	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1371	}
		1372
1179	sub try_load_header($) {	1373	sub load_header_from($) {
1180	my ($path) = @_;	1374	my ($self, $path) = @_;
1181		1375
1182	utf8::encode $path;	1376	utf8::encode $path;
1183	aio_open $path, O_RDONLY, 0	1377	#aio_open $path, O_RDONLY, 0
		1378	# or return;
		1379
		1380	$self->_load_header ($path)
1184	or return;	1381	or return;
1185		1382
1186	my $map = cf::map::new	1383	$self->{load_path} = $path;
		1384
		1385	1
		1386	}
		1387
		1388	sub load_header_orig {
		1389	my ($self) = @_;
		1390
		1391	$self->load_header_from ($self->load_path)
		1392	}
		1393
		1394	sub load_header_temp {
		1395	my ($self) = @_;
		1396
		1397	$self->load_header_from ($self->save_path)
		1398	}
		1399
		1400	sub prepare_temp {
		1401	my ($self) = @_;
		1402
		1403	$self->last_access ((delete $self->{last_access})
		1404	|| $cf::RUNTIME); #d#
		1405	# safety
		1406	$self->{instantiate_time} = $cf::RUNTIME
		1407	if $self->{instantiate_time} > $cf::RUNTIME;
		1408	}
		1409
		1410	sub prepare_orig {
		1411	my ($self) = @_;
		1412
		1413	$self->{load_original} = 1;
		1414	$self->{instantiate_time} = $cf::RUNTIME;
		1415	$self->last_access ($cf::RUNTIME);
		1416	$self->instantiate;
		1417	}
		1418
		1419	sub load_header {
		1420	my ($self) = @_;
		1421
		1422	if ($self->load_header_temp) {
		1423	$self->prepare_temp;
		1424	} else {
		1425	$self->load_header_orig
1187	or return;	1426	or return;
		1427	$self->prepare_orig;
		1428	}
1188		1429
1189	$map->load_header ($path)	1430	$self->default_region (cf::region::find_by_path $self->{path})
1190	or return;	1431	unless $self->default_region;
1191		1432
1192	$map->{load_path} = $path;	1433	1
1193
1194	$map
1195	}	1434	}
1196		1435
1197	sub find;	1436	sub find;
1198	sub find {	1437	sub find {
1199	my ($path, $origin) = @_;	1438	my ($path, $origin) = @_;
1200		1439
1201	#warn "find<$path,$origin>\n";#d#
1202
1203	$path = new cf::path $path, $origin && $origin->path;	1440	$path = normalise $path, $origin && $origin->path;
1204	my $key = $path->as_string;
1205		1441
1206	cf::lock_wait "map_find:$key";	1442	cf::lock_wait "map_find:$path";
1207		1443
1208	$cf::MAP{$key} || do {	1444	$cf::MAP{$path} || do {
1209	my $guard = cf::lock_acquire "map_find:$key";	1445	my $guard = cf::lock_acquire "map_find:$path";
1210		1446	my $map = new_from_path cf::map $path
1211	# do it the slow way
1212	my $map = try_load_header $path->save_path;
1213
1214	Coro::cede;
1215
1216	if ($map) {
1217	$map->last_access ((delete $map->{last_access})
1218	|| $cf::RUNTIME); #d#
1219	# safety
1220	$map->{instantiate_time} = $cf::RUNTIME
1221	if $map->{instantiate_time} > $cf::RUNTIME;
1222	} else {
1223	if (my $rmp = $path->random_map_params) {
1224	$map = generate_random_map $key, $rmp;
1225	} else {
1226	$map = try_load_header $path->load_path;
1227	}
1228
1229	$map or return;	1447	or return;
1230		1448
1231	$map->{load_original} = 1;
1232	$map->{instantiate_time} = $cf::RUNTIME;
1233	$map->last_access ($cf::RUNTIME);
1234	$map->instantiate;
1235
1236	# per-player maps become, after loading, normal maps
1237	$map->per_player (0) if $path->{user_rel};
1238	}
1239
1240	$map->path ($key);
1241	$map->{path} = $path;
1242	$map->{last_save} = $cf::RUNTIME;	1449	$map->{last_save} = $cf::RUNTIME;
1243		1450
1244	Coro::cede;	1451	$map->load_header
		1452	or return;
1245		1453
1246	if ($map->should_reset) {	1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1455	# doing this can freeze the server in a sync job, obviously
		1456	#$cf::WAIT_FOR_TICK->wait;
1247	$map->reset;	1457	$map->reset;
1248	undef $guard;	1458	undef $guard;
1249	$map = find $path	1459	return find $path;
1250	or return;
1251	}	1460	}
1252		1461
1253	$cf::MAP{$key} = $map	1462	$cf::MAP{$path} = $map
1254	}	1463	}
1255	}	1464	}
		1465
		1466	sub pre_load { }
		1467	sub post_load { }
1256		1468
1257	sub load {	1469	sub load {
1258	my ($self) = @_;	1470	my ($self) = @_;
1259		1471
		1472	local $self->{deny_reset} = 1; # loading can take a long time
		1473
1260	my $path = $self->{path};	1474	my $path = $self->{path};
1261	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1475	my $guard = cf::lock_acquire "map_load:$path";
1262		1476
1263	return if $self->in_memory != cf::MAP_SWAPPED;	1477	return if $self->in_memory != cf::MAP_SWAPPED;
1264		1478
1265	$self->in_memory (cf::MAP_LOADING);	1479	$self->in_memory (cf::MAP_LOADING);
1266		1480
1267	$self->alloc;	1481	$self->alloc;
		1482
		1483	$self->pre_load;
		1484	Coro::cede;
		1485
1268	$self->load_objects ($self->{load_path}, 1)	1486	$self->_load_objects ($self->{load_path}, 1)
1269	or return;	1487	or return;
1270		1488
1271	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1272	if delete $self->{load_original};	1490	if delete $self->{load_original};
1273		1491
1274	if (my $uniq = $path->uniq_path) {	1492	if (my $uniq = $self->uniq_path) {
1275	utf8::encode $uniq;	1493	utf8::encode $uniq;
1276	if (aio_open $uniq, O_RDONLY, 0) {	1494	if (aio_open $uniq, O_RDONLY, 0) {
1277	$self->clear_unique_items;	1495	$self->clear_unique_items;
1278	$self->load_objects ($uniq, 0);	1496	$self->_load_objects ($uniq, 0);
1279	}	1497	}
1280	}	1498	}
1281		1499
1282	Coro::cede;	1500	Coro::cede;
1283
1284	# now do the right thing for maps	1501	# now do the right thing for maps
1285	$self->link_multipart_objects;	1502	$self->link_multipart_objects;
		1503	Coro::cede;
1286		1504
1287	if ($self->{path}->is_style_map) {	1505	unless ($self->{deny_activate}) {
1288	$self->{deny_save} = 1;	1506	$self->decay_objects;
1289	$self->{deny_reset} = 1;
1290	} else {
1291	$self->fix_auto_apply;	1507	$self->fix_auto_apply;
1292	$self->decay_objects;
1293	$self->update_buttons;	1508	$self->update_buttons;
		1509	Coro::cede;
1294	$self->set_darkness_map;	1510	$self->set_darkness_map;
1295	$self->difficulty ($self->estimate_difficulty)	1511	$self->difficulty ($self->estimate_difficulty)
1296	unless $self->difficulty;	1512	unless $self->difficulty;
		1513	Coro::cede;
1297	$self->activate;	1514	$self->activate;
		1515	Coro::cede;
1298	}	1516	}
1299		1517
		1518	$self->post_load;
1300	Coro::cede;	1519	Coro::cede;
1301		1520
1302	$self->in_memory (cf::MAP_IN_MEMORY);	1521	$self->in_memory (cf::MAP_IN_MEMORY);
		1522	}
		1523
		1524	sub customise_for {
		1525	my ($self, $ob) = @_;
		1526
		1527	return find "~" . $ob->name . "/" . $self->{path}
		1528	if $self->per_player;
		1529
		1530	$self
		1531	}
		1532
		1533	# find and load all maps in the 3x3 area around a map
		1534	sub load_diag {
		1535	my ($map) = @_;
		1536
		1537	my @diag; # diagonal neighbours
		1538
		1539	for (0 .. 3) {
		1540	my $neigh = $map->tile_path ($_)
		1541	or next;
		1542	$neigh = find $neigh, $map
		1543	or next;
		1544	$neigh->load;
		1545
		1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1548	}
		1549
		1550	for (@diag) {
		1551	my $neigh = find @$_
		1552	or next;
		1553	$neigh->load;
		1554	}
1303	}	1555	}
1304		1556
1305	sub find_sync {	1557	sub find_sync {
1306	my ($path, $origin) = @_;	1558	my ($path, $origin) = @_;
1307		1559
1308	cf::sync_job { cf::map::find $path, $origin }	1560	cf::sync_job { find $path, $origin }
1309	}	1561	}
1310		1562
1311	sub do_load_sync {	1563	sub do_load_sync {
1312	my ($map) = @_;	1564	my ($map) = @_;
1313		1565
1314	cf::sync_job { $map->load };	1566	cf::sync_job { $map->load };
1315	}	1567	}
1316		1568
		1569	our %MAP_PREFETCH;
		1570	our $MAP_PREFETCHER = undef;
		1571
		1572	sub find_async {
		1573	my ($path, $origin) = @_;
		1574
		1575	$path = normalise $path, $origin && $origin->{path};
		1576
		1577	if (my $map = $cf::MAP{$path}) {
		1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1579	}
		1580
		1581	undef $MAP_PREFETCH{$path};
		1582	$MAP_PREFETCHER ||= cf::async {
		1583	while (%MAP_PREFETCH) {
		1584	for my $path (keys %MAP_PREFETCH) {
		1585	my $map = find $path
		1586	or next;
		1587	$map->load;
		1588
		1589	delete $MAP_PREFETCH{$path};
		1590	}
		1591	}
		1592	undef $MAP_PREFETCHER;
		1593	};
		1594	$MAP_PREFETCHER->prio (6);
		1595
		1596	()
		1597	}
		1598
1317	sub save {	1599	sub save {
1318	my ($self) = @_;	1600	my ($self) = @_;
1319		1601
		1602	my $lock = cf::lock_acquire "map_data:" . $self->path;
		1603
1320	$self->{last_save} = $cf::RUNTIME;	1604	$self->{last_save} = $cf::RUNTIME;
1321		1605
1322	return unless $self->dirty;	1606	return unless $self->dirty;
1323		1607
1324	my $save = $self->{path}->save_path; utf8::encode $save;	1608	my $save = $self->save_path; utf8::encode $save;
1325	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1609	my $uniq = $self->uniq_path; utf8::encode $uniq;
1326		1610
1327	$self->{load_path} = $save;	1611	$self->{load_path} = $save;
1328		1612
1329	return if $self->{deny_save};	1613	return if $self->{deny_save};
1330		1614
1331	local $self->{last_access} = $self->last_access;#d#	1615	local $self->{last_access} = $self->last_access;#d#
1332		1616
		1617	cf::async {
		1618	$_->contr->save for $self->players;
		1619	};
		1620
1333	if ($uniq) {	1621	if ($uniq) {
1334	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1335	$self->save_objects ($uniq, cf::IO_UNIQUES);	1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1336	} else {	1624	} else {
1337	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1625	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1338	}	1626	}
1339	}	1627	}
1340		1628
1341	sub swap_out {	1629	sub swap_out {
1342	my ($self) = @_;	1630	my ($self) = @_;
1343		1631
1344	# save first because save cedes	1632	# save first because save cedes
1345	$self->save;	1633	$self->save;
		1634
		1635	my $lock = cf::lock_acquire "map_data:" . $self->path;
1346		1636
1347	return if $self->players;	1637	return if $self->players;
1348	return if $self->in_memory != cf::MAP_IN_MEMORY;	1638	return if $self->in_memory != cf::MAP_IN_MEMORY;
1349	return if $self->{deny_save};	1639	return if $self->{deny_save};
1350		1640
…		…
1354		1644
1355	sub reset_at {	1645	sub reset_at {
1356	my ($self) = @_;	1646	my ($self) = @_;
1357		1647
1358	# TODO: safety, remove and allow resettable per-player maps	1648	# TODO: safety, remove and allow resettable per-player maps
1359	return 1e99 if $self->{path}{user_rel};	1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1360	return 1e99 if $self->{deny_reset};	1650	return 1e99 if $self->{deny_reset};
1361		1651
1362	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1363	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1364		1654
…		…
1369	my ($self) = @_;	1659	my ($self) = @_;
1370		1660
1371	$self->reset_at <= $cf::RUNTIME	1661	$self->reset_at <= $cf::RUNTIME
1372	}	1662	}
1373		1663
1374	sub unlink_save {
1375	my ($self) = @_;
1376
1377	utf8::encode (my $save = $self->{path}->save_path);
1378	aioreq_pri 3; IO::AIO::aio_unlink $save;
1379	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1380	}
1381
1382	sub rename {
1383	my ($self, $new_path) = @_;
1384
1385	$self->unlink_save;
1386
1387	delete $cf::MAP{$self->path};
1388	$self->{path} = new cf::path $new_path;
1389	$self->path ($self->{path}->as_string);
1390	$cf::MAP{$self->path} = $self;
1391
1392	$self->save;
1393	}
1394
1395	sub reset {	1664	sub reset {
1396	my ($self) = @_;	1665	my ($self) = @_;
1397		1666
		1667	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1668
1398	return if $self->players;	1669	return if $self->players;
1399	return if $self->{path}{user_rel};#d#	1670	return if $self->isa ("ext::map_per_player");#d#
1400		1671
1401	warn "resetting map ", $self->path;#d#	1672	warn "resetting map ", $self->path;#d#
1402		1673
		1674	$self->in_memory (cf::MAP_SWAPPED);
		1675
		1676	# need to save uniques path
		1677	unless ($self->{deny_save}) {
		1678	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1679
		1680	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1681	if $uniq;
		1682	}
		1683
1403	delete $cf::MAP{$self->path};	1684	delete $cf::MAP{$self->path};
		1685
		1686	$self->clear;
1404		1687
1405	$_->clear_links_to ($self) for values %cf::MAP;	1688	$_->clear_links_to ($self) for values %cf::MAP;
1406		1689
1407	$self->unlink_save;	1690	$self->unlink_save;
1408	$self->destroy;	1691	$self->destroy;
…		…
1411	my $nuke_counter = "aaaa";	1694	my $nuke_counter = "aaaa";
1412		1695
1413	sub nuke {	1696	sub nuke {
1414	my ($self) = @_;	1697	my ($self) = @_;
1415		1698
		1699	delete $cf::MAP{$self->path};
		1700
		1701	$self->unlink_save;
		1702
		1703	bless $self, "cf::map";
		1704	delete $self->{deny_reset};
1416	$self->{deny_save} = 1;	1705	$self->{deny_save} = 1;
1417	$self->reset_timeout (1);	1706	$self->reset_timeout (1);
1418	$self->rename ("{nuke}/" . ($nuke_counter++));	1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1708
		1709	$cf::MAP{$self->path} = $self;
		1710
1419	$self->reset; # polite request, might not happen	1711	$self->reset; # polite request, might not happen
1420	}	1712	}
1421		1713
1422	sub customise_for {	1714	=item cf::map::unique_maps
1423	my ($map, $ob) = @_;
1424		1715
1425	if ($map->per_player) {	1716	Returns an arrayref of paths of all shared maps that have
1426	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	1717	instantiated unique items. May block.
1427	}
1428		1718
1429	$map	1719	=cut
1430	}
1431		1720
1432	sub emergency_save {	1721	sub unique_maps() {
1433	my $freeze_guard = cf::freeze_mainloop;	1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1723	or return;
1434		1724
1435	warn "enter emergency map save\n";	1725	my @paths;
1436		1726
1437	cf::sync_job {	1727	for (@$files) {
1438	warn "begin emergency map save\n";	1728	utf8::decode $_;
1439	$_->save for values %cf::MAP;	1729	next if /\.pst$/;
		1730	next unless /^$PATH_SEP/o;
		1731
		1732	push @paths, cf::map::normalise $_;
1440	};	1733	}
1441		1734
1442	warn "end emergency map save\n";	1735	\@paths
1443	}	1736	}
1444		1737
1445	package cf;	1738	package cf;
1446		1739
1447	=back	1740	=back
1448		1741
		1742	=head3 cf::object
		1743
		1744	=cut
		1745
		1746	package cf::object;
		1747
		1748	=over 4
		1749
		1750	=item $ob->inv_recursive
		1751
		1752	Returns the inventory of the object _and_ their inventories, recursively.
		1753
		1754	=cut
		1755
		1756	sub inv_recursive_;
		1757	sub inv_recursive_ {
		1758	map { $_, inv_recursive_ $_->inv } @_
		1759	}
		1760
		1761	sub inv_recursive {
		1762	inv_recursive_ inv $_[0]
		1763	}
		1764
		1765	package cf;
		1766
		1767	=back
1449		1768
1450	=head3 cf::object::player	1769	=head3 cf::object::player
1451		1770
1452	=over 4	1771	=over 4
1453		1772
…		…
1493		1812
1494	=item $player_object->enter_link	1813	=item $player_object->enter_link
1495		1814
1496	Freezes the player and moves him/her to a special map (C<{link}>).	1815	Freezes the player and moves him/her to a special map (C<{link}>).
1497		1816
1498	The player should be reaosnably safe there for short amounts of time. You	1817	The player should be reasonably safe there for short amounts of time. You
1499	I<MUST> call C<leave_link> as soon as possible, though.	1818	I<MUST> call C<leave_link> as soon as possible, though.
1500		1819
		1820	Will never block.
		1821
1501	=item $player_object->leave_link ($map, $x, $y)	1822	=item $player_object->leave_link ($map, $x, $y)
1502		1823
1503	Moves the player out of the specila link map onto the given map. If the	1824	Moves the player out of the special C<{link}> map onto the specified
1504	map is not valid (or omitted), the player will be moved back to the	1825	map. If the map is not valid (or omitted), the player will be moved back
1505	location he/she was before the call to C<enter_link>, or, if that fails,	1826	to the location he/she was before the call to C<enter_link>, or, if that
1506	to the emergency map position.	1827	fails, to the emergency map position.
1507		1828
1508	Might block.	1829	Might block.
1509		1830
1510	=cut	1831	=cut
		1832
		1833	sub link_map {
		1834	unless ($LINK_MAP) {
		1835	$LINK_MAP = cf::map::find "{link}"
		1836	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1837	$LINK_MAP->load;
		1838	}
		1839
		1840	$LINK_MAP
		1841	}
1511		1842
1512	sub cf::object::player::enter_link {	1843	sub cf::object::player::enter_link {
1513	my ($self) = @_;	1844	my ($self) = @_;
1514		1845
1515	$self->deactivate_recursive;	1846	$self->deactivate_recursive;
1516		1847
1517	return if $self->map == $LINK_MAP;	1848	return if UNIVERSAL::isa $self->map, "ext::map_link";
1518		1849
1519	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1520	if $self->map;	1851	if $self->map;
1521		1852
1522	$self->enter_map ($LINK_MAP, 20, 20);	1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1523	}	1854	}
1524		1855
1525	sub cf::object::player::leave_link {	1856	sub cf::object::player::leave_link {
1526	my ($self, $map, $x, $y) = @_;	1857	my ($self, $map, $x, $y) = @_;
1527		1858
…		…
1545	# use -1 or undef as default coordinates, not 0, 0	1876	# use -1 or undef as default coordinates, not 0, 0
1546	($x, $y) = ($map->enter_x, $map->enter_y)	1877	($x, $y) = ($map->enter_x, $map->enter_y)
1547	if $x <=0 && $y <= 0;	1878	if $x <=0 && $y <= 0;
1548		1879
1549	$map->load;	1880	$map->load;
		1881	$map->load_diag;
1550		1882
		1883	return unless $self->contr->active;
1551	$self->activate_recursive;	1884	$self->activate_recursive;
		1885
		1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1552	$self->enter_map ($map, $x, $y);	1887	$self->enter_map ($map, $x, $y);
1553	}	1888	}
1554		1889
1555	cf::player->attach (	1890	cf::player->attach (
1556	on_logout => sub {	1891	on_logout => sub {
…		…
1568		1903
1569	# try to abort aborted map switching on player login :)	1904	# try to abort aborted map switching on player login :)
1570	# should happen only on crashes	1905	# should happen only on crashes
1571	if ($pl->ob->{_link_pos}) {	1906	if ($pl->ob->{_link_pos}) {
1572	$pl->ob->enter_link;	1907	$pl->ob->enter_link;
1573	cf::async {	1908	(async {
		1909	$pl->ob->reply (undef,
		1910	"There was an internal problem at your last logout, "
		1911	. "the server will try to bring you to your intended destination in a second.",
		1912	cf::NDI_RED);
1574	# we need this sleep as the login has a concurrent enter_exit running	1913	# we need this sleep as the login has a concurrent enter_exit running
1575	# and this sleep increases chances of the player not ending up in scorn	1914	# and this sleep increases chances of the player not ending up in scorn
1576	Coro::Timer::sleep 1;	1915	Coro::Timer::sleep 1;
1577	$pl->ob->leave_link;	1916	$pl->ob->leave_link;
1578	};	1917	})->prio (2);
1579	}	1918	}
1580	},	1919	},
1581	);	1920	);
1582		1921
1583	=item $player_object->goto_map ($path, $x, $y)	1922	=item $player_object->goto ($path, $x, $y)
1584		1923
1585	=cut	1924	=cut
1586		1925
1587	sub cf::object::player::goto_map {	1926	sub cf::object::player::goto {
1588	my ($self, $path, $x, $y) = @_;	1927	my ($self, $path, $x, $y) = @_;
1589		1928
1590	$self->enter_link;	1929	$self->enter_link;
1591		1930
1592	(cf::async {	1931	(async {
1593	$path = new cf::path $path;	1932	my $map = eval {
1594
1595	my $map = cf::map::find $path->as_string;	1933	my $map = cf::map::find $path;
1596	$map = $map->customise_for ($self) if $map;	1934	$map = $map->customise_for ($self) if $map;
1597		1935	$map
1598	# warn "entering ", $map->path, " at ($x, $y)\n"	1936	} or
1599	# if $map;
1600
1601	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1602		1938
1603	$self->leave_link ($map, $x, $y);	1939	$self->leave_link ($map, $x, $y);
1604	})->prio (1);	1940	})->prio (1);
1605	}	1941	}
1606		1942
…		…
1610		1946
1611	sub parse_random_map_params {	1947	sub parse_random_map_params {
1612	my ($spec) = @_;	1948	my ($spec) = @_;
1613		1949
1614	my $rmp = { # defaults	1950	my $rmp = { # defaults
1615	xsize => 10,	1951	xsize => (cf::rndm 15, 40),
1616	ysize => 10,	1952	ysize => (cf::rndm 15, 40),
		1953	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1954	#layout => string,
1617	};	1955	};
1618		1956
1619	for (split /\n/, $spec) {	1957	for (split /\n/, $spec) {
1620	my ($k, $v) = split /\s+/, $_, 2;	1958	my ($k, $v) = split /\s+/, $_, 2;
1621		1959
…		…
1625	$rmp	1963	$rmp
1626	}	1964	}
1627		1965
1628	sub prepare_random_map {	1966	sub prepare_random_map {
1629	my ($exit) = @_;	1967	my ($exit) = @_;
		1968
		1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1630		1970
1631	# all this does is basically replace the /! path by	1971	# all this does is basically replace the /! path by
1632	# a new random map path (?random/...) with a seed	1972	# a new random map path (?random/...) with a seed
1633	# that depends on the exit object	1973	# that depends on the exit object
1634		1974
1635	my $rmp = parse_random_map_params $exit->msg;	1975	my $rmp = parse_random_map_params $exit->msg;
1636		1976
1637	if ($exit->map) {	1977	if ($exit->map) {
1638	$rmp->{region} = $exit->map->region_name;	1978	$rmp->{region} = $exit->region->name;
1639	$rmp->{origin_map} = $exit->map->path;	1979	$rmp->{origin_map} = $exit->map->path;
1640	$rmp->{origin_x} = $exit->x;	1980	$rmp->{origin_x} = $exit->x;
1641	$rmp->{origin_y} = $exit->y;	1981	$rmp->{origin_y} = $exit->y;
1642	}	1982	}
1643		1983
1644	$rmp->{random_seed} ||= $exit->random_seed;	1984	$rmp->{random_seed} ||= $exit->random_seed;
1645		1985
1646	my $data = cf::to_json $rmp;	1986	my $data = cf::to_json $rmp;
1647	my $md5 = Digest::MD5::md5_hex $data;	1987	my $md5 = Digest::MD5::md5_hex $data;
		1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1648		1989
1649	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1650	aio_write $fh, 0, (length $data), $data, 0;	1991	aio_write $fh, 0, (length $data), $data, 0;
		1992	undef $fh;
		1993	aio_rename "$meta~", $meta;
1651		1994
1652	$exit->slaying ("?random/$md5");	1995	$exit->slaying ("?random/$md5");
1653	$exit->msg (undef);	1996	$exit->msg (undef);
1654	}	1997	}
1655	}	1998	}
…		…
1657	sub cf::object::player::enter_exit {	2000	sub cf::object::player::enter_exit {
1658	my ($self, $exit) = @_;	2001	my ($self, $exit) = @_;
1659		2002
1660	return unless $self->type == cf::PLAYER;	2003	return unless $self->type == cf::PLAYER;
1661		2004
		2005	if ($exit->slaying eq "/!") {
		2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2007	# the problem is that $exit might not survive long enough
		2008	# so it needs to be done right now, right here
		2009	cf::sync_job { prepare_random_map $exit };
		2010	}
		2011
		2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2013	my $hp = $exit->stats->hp;
		2014	my $sp = $exit->stats->sp;
		2015
1662	$self->enter_link;	2016	$self->enter_link;
1663		2017
1664	(cf::async {	2018	(async {
1665	$self->deactivate_recursive; # just to be sure	2019	$self->deactivate_recursive; # just to be sure
1666	unless (eval {	2020	unless (eval {
1667	prepare_random_map $exit	2021	$self->goto ($slaying, $hp, $sp);
1668	if $exit->slaying eq "/!";
1669
1670	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1671	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1672		2022
1673	1;	2023	1;
1674	}) {	2024	}) {
1675	$self->message ("Something went wrong deep within the crossfire server. "	2025	$self->message ("Something went wrong deep within the crossfire server. "
1676	. "I'll try to bring you back to the map you were before. "	2026	. "I'll try to bring you back to the map you were before. "
1677	. "Please report this to the dungeon master",	2027	. "Please report this to the dungeon master!",
1678	cf::NDI_UNIQUE | cf::NDI_RED);	2028	cf::NDI_UNIQUE | cf::NDI_RED);
1679		2029
1680	warn "ERROR in enter_exit: $@";	2030	warn "ERROR in enter_exit: $@";
1681	$self->leave_link;	2031	$self->leave_link;
1682	}	2032	}
1683	})->prio (1);	2033	})->prio (1);
…		…
1696		2046
1697	sub cf::client::send_drawinfo {	2047	sub cf::client::send_drawinfo {
1698	my ($self, $text, $flags) = @_;	2048	my ($self, $text, $flags) = @_;
1699		2049
1700	utf8::encode $text;	2050	utf8::encode $text;
1701	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1702	}	2052	}
1703		2053
		2054	=item $client->ext_event ($type, %msg)
		2055
		2056	Sends an exti event to the client.
		2057
		2058	=cut
		2059
		2060	sub cf::client::ext_event($$%) {
		2061	my ($self, $type, %msg) = @_;
		2062
		2063	$msg{msgtype} = "event_$type";
		2064	$self->send_packet ("ext " . cf::to_json \%msg);
		2065	}
1704		2066
1705	=item $success = $client->query ($flags, "text", \&cb)	2067	=item $success = $client->query ($flags, "text", \&cb)
1706		2068
1707	Queues a query to the client, calling the given callback with	2069	Queues a query to the client, calling the given callback with
1708	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
…		…
1737	# get handled first	2099	# get handled first
1738	my $queue = delete $ns->{query_queue}	2100	my $queue = delete $ns->{query_queue}
1739	or return; # be conservative, not sure how that can happen, but we saw a crash here	2101	or return; # be conservative, not sure how that can happen, but we saw a crash here
1740		2102
1741	(shift @$queue)->[1]->($msg);	2103	(shift @$queue)->[1]->($msg);
		2104	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1742		2105
1743	push @{ $ns->{query_queue} }, @$queue;	2106	push @{ $ns->{query_queue} }, @$queue;
1744		2107
1745	if (@{ $ns->{query_queue} } == @$queue) {	2108	if (@{ $ns->{query_queue} } == @$queue) {
1746	if (@$queue) {	2109	if (@$queue) {
…		…
1750	}	2113	}
1751	}	2114	}
1752	},	2115	},
1753	);	2116	);
1754		2117
1755	=item $client->coro (\&cb)	2118	=item $client->async (\&cb)
1756		2119
1757	Create a new coroutine, running the specified callback. The coroutine will	2120	Create a new coroutine, running the specified callback. The coroutine will
1758	be automatically cancelled when the client gets destroyed (e.g. on logout,	2121	be automatically cancelled when the client gets destroyed (e.g. on logout,
1759	or loss of connection).	2122	or loss of connection).
1760		2123
1761	=cut	2124	=cut
1762		2125
1763	sub cf::client::coro {	2126	sub cf::client::async {
1764	my ($self, $cb) = @_;	2127	my ($self, $cb) = @_;
1765		2128
1766	my $coro = &cf::async ($cb);	2129	my $coro = &Coro::async ($cb);
1767		2130
1768	$coro->on_destroy (sub {	2131	$coro->on_destroy (sub {
1769	delete $self->{_coro}{$coro+0};	2132	delete $self->{_coro}{$coro+0};
1770	});	2133	});
1771		2134
…		…
1804		2167
1805	# here we export the classes and methods available to script code	2168	# here we export the classes and methods available to script code
1806		2169
1807	=pod	2170	=pod
1808		2171
1809	The following fucntions and emthods are available within a safe environment:	2172	The following functions and methods are available within a safe environment:
1810		2173
1811	cf::object contr pay_amount pay_player map	2174	cf::object contr pay_amount pay_player map
1812	cf::object::player player	2175	cf::object::player player
1813	cf::player peaceful	2176	cf::player peaceful
1814	cf::map trigger	2177	cf::map trigger
…		…
1907	The parameter C<$family> should best start with the name of the extension	2270	The parameter C<$family> should best start with the name of the extension
1908	using it, it should be unique.	2271	using it, it should be unique.
1909		2272
1910	=over 4	2273	=over 4
1911		2274
1912	=item $hashref = cf::db_get $family
1913
1914	Return a hashref for use by the extension C<$family>, which can be
1915	modified. After modifications, you have to call C<cf::db_dirty> or
1916	C<cf::db_sync>.
1917
1918	=item $value = cf::db_get $family => $key	2275	=item $value = cf::db_get $family => $key
1919		2276
1920	Returns a single value from the database	2277	Returns a single value from the database.
1921
1922	=item cf::db_put $family => $hashref
1923
1924	Stores the given family hashref into the database. Updates are delayed, if
1925	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1926		2278
1927	=item cf::db_put $family => $key => $value	2279	=item cf::db_put $family => $key => $value
1928		2280
1929	Stores the given C<$value> in the family hash. Updates are delayed, if you	2281	Stores the given C<$value> in the family.
1930	want the data to be synced to disk immediately, use C<cf::db_sync>.
1931
1932	=item cf::db_dirty
1933
1934	Marks the database as dirty, to be updated at a later time.
1935
1936	=item cf::db_sync
1937
1938	Immediately write the database to disk I<if it is dirty>.
1939		2282
1940	=cut	2283	=cut
1941		2284
1942	our $DB;	2285	our $DB;
1943		2286
1944	{	2287	sub db_init {
		2288	unless ($DB) {
		2289	$DB = BDB::db_create $DB_ENV;
		2290
		2291	cf::sync_job {
		2292	eval {
		2293	$DB->set_flags (BDB::CHKSUM);
		2294
		2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2297	cf::cleanup "db_open(db): $!" if $!;
		2298	};
		2299	cf::cleanup "db_open(db): $@" if $@;
		2300	};
		2301
1945	my $path = cf::localdir . "/database.pst";	2302	my $path = cf::localdir . "/database.pst";
		2303	if (stat $path) {
		2304	cf::sync_job {
		2305	my $pst = Storable::retrieve $path;
1946		2306
1947	sub db_load() {	2307	cf::db_put (board => data => $pst->{board});
1948	$DB = stat $path ? Storable::retrieve $path : { };	2308	cf::db_put (guildrules => data => $pst->{guildrules});
1949	}	2309	cf::db_put (rent => balance => $pst->{rent}{balance});
		2310	BDB::db_env_txn_checkpoint $DB_ENV;
1950		2311
1951	my $pid;	2312	unlink $path;
1952
1953	sub db_save() {
1954	waitpid $pid, 0 if $pid;
1955	if (0 == ($pid = fork)) {
1956	$DB->{_meta}{version} = 1;
1957	Storable::nstore $DB, "$path~";
1958	rename "$path~", $path;
1959	cf::_exit 0 if defined $pid;
1960	}	2313	};
1961	}
1962
1963	my $dirty;
1964
1965	sub db_sync() {
1966	db_save if $dirty;
1967	undef $dirty;
1968	}
1969
1970	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1971	db_sync;
1972	});
1973
1974	sub db_dirty() {
1975	$dirty = 1;
1976	$idle->start;
1977	}
1978
1979	sub db_get($;$) {
1980	@_ >= 2
1981	? $DB->{$_[0]}{$_[1]}
1982	: ($DB->{$_[0]} ||= { })
1983	}
1984
1985	sub db_put($$;$) {
1986	if (@_ >= 3) {
1987	$DB->{$_[0]}{$_[1]} = $_[2];
1988	} else {
1989	$DB->{$_[0]} = $_[1];
1990	}
1991	db_dirty;
1992	}
1993
1994	cf::global->attach (
1995	prio => 10000,
1996	on_cleanup => sub {
1997	db_sync;
1998	},	2314	}
1999	);	2315	}
		2316	}
		2317
		2318	sub db_get($$) {
		2319	my $key = "$_[0]/$_[1]";
		2320
		2321	cf::sync_job {
		2322	BDB::db_get $DB, undef, $key, my $data;
		2323
		2324	$! ? ()
		2325	: Compress::LZF::sthaw $data
		2326	}
		2327	}
		2328
		2329	sub db_put($$$) {
		2330	BDB::dbreq_pri 4;
		2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2000	}	2332	}
2001		2333
2002	#############################################################################	2334	#############################################################################
2003	# the server's main()	2335	# the server's init and main functions
		2336
		2337	sub load_facedata {
		2338	my $path = sprintf "%s/facedata", cf::datadir;
		2339
		2340	warn "loading facedata from $path\n";
		2341
		2342	my $facedata;
		2343	0 < aio_load $path, $facedata
		2344	or die "$path: $!";
		2345
		2346	$facedata = Coro::Storable::thaw $facedata;
		2347
		2348	$facedata->{version} == 2
		2349	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2350
		2351	{
		2352	my $faces = $facedata->{faceinfo};
		2353
		2354	while (my ($face, $info) = each %$faces) {
		2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
		2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2359	Coro::cede;
		2360	}
		2361
		2362	while (my ($face, $info) = each %$faces) {
		2363	next unless $info->{smooth};
		2364	my $idx = cf::face::find $face
		2365	or next;
		2366	if (my $smooth = cf::face::find $info->{smooth}) {
		2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2368	} else {
		2369	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2370	}
		2371	Coro::cede;
		2372	}
		2373	}
		2374
		2375	{
		2376	my $anims = $facedata->{animinfo};
		2377
		2378	while (my ($anim, $info) = each %$anims) {
		2379	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2380	Coro::cede;
		2381	}
		2382
		2383	cf::anim::invalidate_all; # d'oh
		2384	}
		2385
		2386	1
		2387	}
		2388
		2389	sub load_archetypes {
		2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable
		2391	load_archetype_file sprintf "%s/archetypes", cf::datadir
		2392	}
		2393
		2394	sub load_treasures {
		2395	load_treasure_file sprintf "%s/treasures", cf::datadir
		2396	}
		2397
		2398	sub reload_resources {
		2399	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2400	or die "unable to load regions file\n";
		2401	load_facedata
		2402	or die "unable to load facedata\n";
		2403	load_archetypes
		2404	or die "unable to load archetypes\n";
		2405	load_treasures
		2406	or die "unable to load treasurelists\n";
		2407	}
		2408
		2409	sub init {
		2410	reload_resources;
		2411	}
2004		2412
2005	sub cfg_load {	2413	sub cfg_load {
2006	open my $fh, "<:utf8", cf::confdir . "/config"	2414	open my $fh, "<:utf8", cf::confdir . "/config"
2007	or return;	2415	or return;
2008		2416
2009	local $/;	2417	local $/;
2010	*CFG = YAML::Syck::Load <$fh>;	2418	*CFG = YAML::Syck::Load <$fh>;
2011		2419
2012	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2420	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013		2421
		2422	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2423	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2424
2014	if (exists $CFG{mlockall}) {	2425	if (exists $CFG{mlockall}) {
2015	eval {	2426	eval {
2016	$CFG{mlockall} ? &mlockall : &munlockall	2427	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2017	and die "WARNING: m(un)lockall failed: $!\n";	2428	and die "WARNING: m(un)lockall failed: $!\n";
2018	};	2429	};
2019	warn $@ if $@;	2430	warn $@ if $@;
2020	}	2431	}
2021	}	2432	}
2022		2433
2023	sub main {	2434	sub main {
2024	# we must not ever block the main coroutine	2435	# we must not ever block the main coroutine
2025	local $Coro::idle = sub {	2436	local $Coro::idle = sub {
2026	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2437	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2027	(Coro::unblock_sub {	2438	(async {
2028	Event::one_event;	2439	Event::one_event;
2029	})->();	2440	})->prio (Coro::PRIO_MAX);
2030	};	2441	};
2031		2442
2032	cfg_load;	2443	cfg_load;
2033	db_load;	2444	db_init;
2034	load_extensions;	2445	load_extensions;
		2446
		2447	$TICK_WATCHER->start;
2035	Event::loop;	2448	Event::loop;
2036	}	2449	}
2037		2450
2038	#############################################################################	2451	#############################################################################
2039	# initialisation	2452	# initialisation and cleanup
		2453
		2454	# install some emergency cleanup handlers
		2455	BEGIN {
		2456	for my $signal (qw(INT HUP TERM)) {
		2457	Event->signal (
		2458	reentrant => 0,
		2459	data => WF_AUTOCANCEL,
		2460	signal => $signal,
		2461	prio => 0,
		2462	cb => sub {
		2463	cf::cleanup "SIG$signal";
		2464	},
		2465	);
		2466	}
		2467	}
		2468
		2469	sub emergency_save() {
		2470	my $freeze_guard = cf::freeze_mainloop;
		2471
		2472	warn "enter emergency perl save\n";
		2473
		2474	cf::sync_job {
		2475	# use a peculiar iteration method to avoid tripping on perl
		2476	# refcount bugs in for. also avoids problems with players
		2477	# and maps saved/destroyed asynchronously.
		2478	warn "begin emergency player save\n";
		2479	for my $login (keys %cf::PLAYER) {
		2480	my $pl = $cf::PLAYER{$login} or next;
		2481	$pl->valid or next;
		2482	$pl->save;
		2483	}
		2484	warn "end emergency player save\n";
		2485
		2486	warn "begin emergency map save\n";
		2487	for my $path (keys %cf::MAP) {
		2488	my $map = $cf::MAP{$path} or next;
		2489	$map->valid or next;
		2490	$map->save;
		2491	}
		2492	warn "end emergency map save\n";
		2493
		2494	warn "begin emergency database checkpoint\n";
		2495	BDB::db_env_txn_checkpoint $DB_ENV;
		2496	warn "end emergency database checkpoint\n";
		2497	};
		2498
		2499	warn "leave emergency perl save\n";
		2500	}
		2501
		2502	sub post_cleanup {
		2503	my ($make_core) = @_;
		2504
		2505	warn Carp::longmess "post_cleanup backtrace"
		2506	if $make_core;
		2507	}
2040		2508
2041	sub reload() {	2509	sub reload() {
2042	# can/must only be called in main	2510	# can/must only be called in main
2043	if ($Coro::current != $Coro::main) {	2511	if ($Coro::current != $Coro::main) {
2044	warn "can only reload from main coroutine\n";	2512	warn "can only reload from main coroutine";
2045	return;	2513	return;
2046	}	2514	}
2047		2515
2048	warn "reloading...";	2516	warn "reloading...";
2049		2517
2050	my $guard = freeze_mainloop;	2518	warn "entering sync_job";
		2519
		2520	cf::sync_job {
		2521	cf::write_runtime; # external watchdog should not bark
2051	cf::emergency_save;	2522	cf::emergency_save;
		2523	cf::write_runtime; # external watchdog should not bark
2052		2524
2053	eval {	2525	warn "syncing database to disk";
		2526	BDB::db_env_txn_checkpoint $DB_ENV;
		2527
2054	# if anything goes wrong in here, we should simply crash as we already saved	2528	# if anything goes wrong in here, we should simply crash as we already saved
2055		2529
2056	# cancel all watchers	2530	warn "cancelling all WF_AUTOCANCEL watchers";
2057	for (Event::all_watchers) {	2531	for (Event::all_watchers) {
2058	$_->cancel if $_->data & WF_AUTOCANCEL;	2532	$_->cancel if $_->data & WF_AUTOCANCEL;
2059	}	2533	}
2060		2534
		2535	warn "flushing outstanding aio requests";
		2536	for (;;) {
		2537	BDB::flush;
		2538	IO::AIO::flush;
		2539	Coro::cede;
		2540	last unless IO::AIO::nreqs || BDB::nreqs;
		2541	warn "iterate...";
		2542	}
		2543
		2544	++$RELOAD;
		2545
2061	# cancel all extension coros	2546	warn "cancelling all extension coros";
2062	$_->cancel for values %EXT_CORO;	2547	$_->cancel for values %EXT_CORO;
2063	%EXT_CORO = ();	2548	%EXT_CORO = ();
2064		2549
2065	# unload all extensions	2550	warn "removing commands";
2066	for (@exts) {	2551	%COMMAND = ();
		2552
		2553	warn "removing ext commands";
		2554	%EXTCMD = ();
		2555
		2556	warn "unloading/nuking all extensions";
		2557	for my $pkg (@EXTS) {
2067	warn "unloading <$_>";	2558	warn "... unloading $pkg";
2068	unload_extension $_;	2559
		2560	if (my $cb = $pkg->can ("unload")) {
		2561	eval {
		2562	$cb->($pkg);
		2563	1
		2564	} or warn "$pkg unloaded, but with errors: $@";
2069	}	2565	}
2070		2566
		2567	warn "... nuking $pkg";
		2568	Symbol::delete_package $pkg;
		2569	}
		2570
2071	# unload all modules loaded from $LIBDIR	2571	warn "unloading all perl modules loaded from $LIBDIR";
2072	while (my ($k, $v) = each %INC) {	2572	while (my ($k, $v) = each %INC) {
2073	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2573	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2074		2574
2075	warn "removing <$k>";	2575	warn "... unloading $k";
2076	delete $INC{$k};	2576	delete $INC{$k};
2077		2577
2078	$k =~ s/\.pm$//;	2578	$k =~ s/\.pm$//;
2079	$k =~ s/\//::/g;	2579	$k =~ s/\//::/g;
2080		2580
…		…
2083	}	2583	}
2084		2584
2085	Symbol::delete_package $k;	2585	Symbol::delete_package $k;
2086	}	2586	}
2087		2587
2088	# sync database to disk
2089	cf::db_sync;
2090	IO::AIO::flush;
2091
2092	# get rid of safe::, as good as possible	2588	warn "getting rid of safe::, as good as possible";
2093	Symbol::delete_package "safe::$_"	2589	Symbol::delete_package "safe::$_"
2094	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2590	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2095		2591
2096	# remove register_script_function callbacks
2097	# TODO
2098
2099	# unload cf.pm "a bit"	2592	warn "unloading cf.pm \"a bit\"";
2100	delete $INC{"cf.pm"};	2593	delete $INC{"cf.pm"};
2101		2594
2102	# don't, removes xs symbols, too,	2595	# don't, removes xs symbols, too,
2103	# and global variables created in xs	2596	# and global variables created in xs
2104	#Symbol::delete_package __PACKAGE__;	2597	#Symbol::delete_package __PACKAGE__;
2105		2598
2106	# reload cf.pm	2599	warn "unload completed, starting to reload now";
		2600
2107	warn "reloading cf.pm";	2601	warn "reloading cf.pm";
2108	require cf;	2602	require cf;
2109	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2603	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2110		2604
2111	# load config and database again	2605	warn "loading config and database again";
2112	cf::cfg_load;	2606	cf::cfg_load;
2113	cf::db_load;
2114		2607
2115	# load extensions
2116	warn "load extensions";	2608	warn "loading extensions";
2117	cf::load_extensions;	2609	cf::load_extensions;
2118		2610
2119	# reattach attachments to objects	2611	warn "reattaching attachments to objects/players";
2120	warn "reattach";	2612	_global_reattach; # objects, sockets
2121	_global_reattach;	2613	warn "reattaching attachments to maps";
2122	};	2614	reattach $_ for values %MAP;
		2615	warn "reattaching attachments to players";
		2616	reattach $_ for values %PLAYER;
2123		2617
2124	if ($@) {	2618	warn "loading reloadable resources";
		2619	reload_resources;
		2620
		2621	warn "leaving sync_job";
		2622
		2623	1
		2624	} or do {
2125	warn $@;	2625	warn $@;
2126	warn "error while reloading, exiting.";	2626	warn "error while reloading, exiting.";
2127	exit 1;	2627	exit 1;
2128	}	2628	};
2129		2629
2130	warn "reloaded successfully";	2630	warn "reloaded";
2131	};	2631	};
2132		2632
2133	#############################################################################	2633	our $RELOAD_WATCHER; # used only during reload
2134
2135	unless ($LINK_MAP) {
2136	$LINK_MAP = cf::map::new;
2137
2138	$LINK_MAP->width (41);
2139	$LINK_MAP->height (41);
2140	$LINK_MAP->alloc;
2141	$LINK_MAP->path ("{link}");
2142	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2143	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2144
2145	# dirty hack because... archetypes are not yet loaded
2146	Event->timer (
2147	after => 2,
2148	cb => sub {
2149	$_[0]->w->cancel;
2150
2151	# provide some exits "home"
2152	my $exit = cf::object::new "exit";
2153
2154	$exit->slaying ($EMERGENCY_POSITION->[0]);
2155	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2156	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2157
2158	$LINK_MAP->insert ($exit->clone, 19, 19);
2159	$LINK_MAP->insert ($exit->clone, 19, 20);
2160	$LINK_MAP->insert ($exit->clone, 19, 21);
2161	$LINK_MAP->insert ($exit->clone, 20, 19);
2162	$LINK_MAP->insert ($exit->clone, 20, 21);
2163	$LINK_MAP->insert ($exit->clone, 21, 19);
2164	$LINK_MAP->insert ($exit->clone, 21, 20);
2165	$LINK_MAP->insert ($exit->clone, 21, 21);
2166
2167	$exit->destroy;
2168	});
2169
2170	$LINK_MAP->{deny_save} = 1;
2171	$LINK_MAP->{deny_reset} = 1;
2172
2173	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2174	}
2175
2176	register "<global>", __PACKAGE__;
2177		2634
2178	register_command "reload" => sub {	2635	register_command "reload" => sub {
2179	my ($who, $arg) = @_;	2636	my ($who, $arg) = @_;
2180		2637
2181	if ($who->flag (FLAG_WIZ)) {	2638	if ($who->flag (FLAG_WIZ)) {
2182	$who->message ("start of reload.");	2639	$who->message ("reloading server.");
		2640
		2641	# doing reload synchronously and two reloads happen back-to-back,
		2642	# coro crashes during coro_state_free->destroy here.
		2643
		2644	$RELOAD_WATCHER ||= Event->timer (
		2645	reentrant => 0,
		2646	after => 0,
		2647	data => WF_AUTOCANCEL,
		2648	cb => sub {
2183	reload;	2649	reload;
2184	$who->message ("end of reload.");	2650	undef $RELOAD_WATCHER;
		2651	},
		2652	);
2185	}	2653	}
2186	};	2654	};
2187		2655
2188	unshift @INC, $LIBDIR;	2656	unshift @INC, $LIBDIR;
		2657
		2658	my $bug_warning = 0;
		2659
		2660	our @WAIT_FOR_TICK;
		2661	our @WAIT_FOR_TICK_BEGIN;
		2662
		2663	sub wait_for_tick {
		2664	return unless $TICK_WATCHER->is_active;
		2665	return if $Coro::current == $Coro::main;
		2666
		2667	my $signal = new Coro::Signal;
		2668	push @WAIT_FOR_TICK, $signal;
		2669	$signal->wait;
		2670	}
		2671
		2672	sub wait_for_tick_begin {
		2673	return unless $TICK_WATCHER->is_active;
		2674	return if $Coro::current == $Coro::main;
		2675
		2676	my $signal = new Coro::Signal;
		2677	push @WAIT_FOR_TICK_BEGIN, $signal;
		2678	$signal->wait;
		2679	}
2189		2680
2190	$TICK_WATCHER = Event->timer (	2681	$TICK_WATCHER = Event->timer (
2191	reentrant => 0,	2682	reentrant => 0,
		2683	parked => 1,
2192	prio => 0,	2684	prio => 0,
2193	at => $NEXT_TICK || $TICK,	2685	at => $NEXT_TICK || $TICK,
2194	data => WF_AUTOCANCEL,	2686	data => WF_AUTOCANCEL,
2195	cb => sub {	2687	cb => sub {
		2688	if ($Coro::current != $Coro::main) {
		2689	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2690	unless ++$bug_warning > 10;
		2691	return;
		2692	}
		2693
		2694	$NOW = Event::time;
		2695
2196	cf::server_tick; # one server iteration	2696	cf::server_tick; # one server iteration
2197	$RUNTIME += $TICK;	2697	$RUNTIME += $TICK;
2198	$NEXT_TICK += $TICK;	2698	$NEXT_TICK += $TICK;
		2699
		2700	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2701	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2702	Coro::async_pool {
		2703	write_runtime
		2704	or warn "ERROR: unable to write runtime file: $!";
		2705	};
		2706	}
		2707
		2708	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		2709	$sig->send;
		2710	}
		2711	while (my $sig = shift @WAIT_FOR_TICK) {
		2712	$sig->send;
		2713	}
		2714
		2715	# my $AFTER = Event::time;
		2716	# warn $AFTER - $NOW;#d#
2199		2717
2200	# if we are delayed by four ticks or more, skip them all	2718	# if we are delayed by four ticks or more, skip them all
2201	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2719	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2202		2720
2203	$TICK_WATCHER->at ($NEXT_TICK);	2721	$TICK_WATCHER->at ($NEXT_TICK);
2204	$TICK_WATCHER->start;	2722	$TICK_WATCHER->start;
2205	},	2723	},
2206	);	2724	);
2207		2725
		2726	{
2208	IO::AIO::max_poll_time $TICK * 0.2;	2727	BDB::max_poll_time $TICK * 0.1;
2209		2728	$BDB_POLL_WATCHER = Event->io (
2210	Event->io (	2729	reentrant => 0,
2211	fd => IO::AIO::poll_fileno,	2730	fd => BDB::poll_fileno,
2212	poll => 'r',	2731	poll => 'r',
2213	prio => 5,	2732	prio => 0,
2214	data => WF_AUTOCANCEL,
2215	cb => \&IO::AIO::poll_cb,
2216	);
2217
2218	Event->timer (
2219	data => WF_AUTOCANCEL,	2733	data => WF_AUTOCANCEL,
2220	after => 0,	2734	cb => \&BDB::poll_cb,
2221	interval => 10,	2735	);
2222	cb => sub {	2736	BDB::min_parallel 8;
2223	(Coro::unblock_sub {	2737
2224	write_runtime	2738	BDB::set_sync_prepare {
2225	or warn "ERROR: unable to write runtime file: $!";	2739	my $status;
		2740	my $current = $Coro::current;
		2741	(
		2742	sub {
		2743	$status = $!;
		2744	$current->ready; undef $current;
		2745	},
		2746	sub {
		2747	Coro::schedule while defined $current;
		2748	$! = $status;
		2749	},
		2750	)
		2751	};
		2752
		2753	unless ($DB_ENV) {
		2754	$DB_ENV = BDB::db_env_create;
		2755
		2756	cf::sync_job {
		2757	eval {
		2758	BDB::db_env_open
		2759	$DB_ENV,
		2760	$BDB_ENV_DIR,
		2761	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2762	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2763	0666;
		2764
		2765	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2766
		2767	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2768	$DB_ENV->set_lk_detect;
		2769	};
		2770
		2771	cf::cleanup "db_env_open(db): $@" if $@;
2226	})->();	2772	};
2227	},	2773	}
2228	);	2774	}
		2775
		2776	{
		2777	IO::AIO::min_parallel 8;
		2778
		2779	undef $Coro::AIO::WATCHER;
		2780	IO::AIO::max_poll_time $TICK * 0.1;
		2781	$AIO_POLL_WATCHER = Event->io (
		2782	reentrant => 0,
		2783	data => WF_AUTOCANCEL,
		2784	fd => IO::AIO::poll_fileno,
		2785	poll => 'r',
		2786	prio => 6,
		2787	cb => \&IO::AIO::poll_cb,
		2788	);
		2789	}
2229		2790
2230	END { cf::emergency_save }	2791	END { cf::emergency_save }
2231		2792
2232	1	2793	1
2233		2794

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